Roblox how to use module scripts

Okay so I wan't to use module scripts as I can keep my functions manageable. I have two questions.

roblox how to use module scripts

First Question : Can I use multiple functions in a module script? I also saw some people doing this:.

Roblox lua scripting 1: Intro and the basics

So will this work? Before every module function, and can I change arguments and It'll still work inside the module? Interestingly someone just asked me this on a twitch stream. I have a funny feeling this isn't coincidence :p. Note that modules will cache, so print add. Add 2,3 will print 5, and all subsequent calls will also return 5. Addwill print 5 etc etc. Sign Up Log in.

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New: Nitro Boost our Discord server and receive full donation perks here on the website! Join the Scripting Helpers Discord Server to learn more! You can also Support on Patreon as always. Still have questions? Join our Discord server and get real time help. Join our Discord Server. Log in to vote. How do you access functions in module scripts? Asked by LifeInDevelopment I have two questions, First Question : Can I use multiple functions in a module script? MyModule myModule.You might find this page useful.

It would help if you could post what the aim here is, perhaps after we know that we can propose a better solution or suggest a method you can use to accomplish your goal. A while loop will stop when the condition is no longer met. You could use repeat rather than while for this. The script will repeat something until the condition specified is met. In this case you could do:. Also this thread is now derailing completely from the original question, and is completely unrelated.

In the future before posting in this category read these guidelines. You go to a restaurant and order a sandwich and a drink. A bit later, you receive the sandwich and drink.

In other words, you gave the restaurant input your order and it in turn gave an output sandwich and drink. The process of the restaurant outputting would be what return does. In this analogy, you are the caller of the function, and the restaurant is the function.

This could be slightly misleading, I think. In the case of a ModuleScript, the contents of the module is essentially a function, and you normally return something useful, like a table built by the module, or reference to a function within it.

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At a lower level, returns and breaks are very different. Your Lua code is compiled into a form of byte code similar to machine code that your processor uses. When your script runs, the Lua interpreter reads your byte code like a CPU would read machine code.

The Lua interpreter is compiled to machine code and when it reads a byte code from your script, it tells the CPU to execute a section of machine code in the interpreter that effectively performs what the byte code instructed to do. Thus, Lua is called a an interpreted language because it never actually runs directly on the hardware but it describes what needs to be done.

When return and break are translated into byte code, they become into two completely different instructions. JMP is a simple instruction that tells the Lua interpreter which instruction to execute next. A JMP instruction tells it to stop reading and start again at a different line.

A RET instruction is a slightly more complex instruction that tells the Lua interpreter to return to the last bookmark. For it to function properly, a bookmark needs to be set using the CALL instruction. To explain how these work, assume that the interpreter is chugging along reading and executing byte code until it reaches a CALL instruction. When it does, it works similarly to a JMP instruction. It stops reading where it was and starts reading where CALL tells it to.This is less of a problem then a persevere for efficiency and learning further knowledge.

I have been a coder for about a year now and I always was perplexed about Module Scripts I know how they worked but I never could understand why they are so common for developers to use. First, I use Remote Events to fire universal code.

So why is it so necessary to have for a good game?! As for an example for a good use of a ModuleScript, I use it in my weapons framework.

What are module scripts for?

I have a module for every effect of the weapon, from the bullet trail, to the muzzle gas, to explosive ammo. Depending on the purpose of the module, it will be run server or clientside. Sometimes both. ModuleScripts have neither of these problems. For example, say you have a bunch of guns that, aside from numbers, function the exact same. With ModuleScripts, you can include a ModuleScript for every weapon you have.

Example: In the same folder you store a shotgun, including its models and sounds, you can include a ModuleScript with a table of all the information. Outside of the data storage use case, developers often use them to house libraries.

For example, if you have a library of code to handle experience max experience for one level, get level from experience, etc you can house all that code in one ModuleScript. But you still need Scripts in those guns to fire the Module rather I would just do a for i,gun in ipairs loop.

If you mean events and callbacks from said remote events and functions, that is an entirely viable use. The purpose of ModuleScripts is to have your code in a separate object for whatever reason. I put a folder in Workspace named RemoteEventFolder and I have a code that received those remote events in serverscriptstorage. I fire those events with my clients code. With a ModuleScript, you can just plop it into ReplicatedStorage and it will be capable of being used inside of client AND server scripts without having to manage duplicate code.

This is just one albeit important reason. Read the posts above mine for various others. We use functions to save space, organize our code, etc. Now lets take those reasons and just expand on them.

Instead of having one extremely large code, you could have several scripts. But what if those several scripts needed the same function? Instead of having the same function in every single script, you can just make a single module script. Sure, you have global functions instead, but modules are more organized, or at least I find them. You might want the module on the client side, would you call a remote event just for it to call the client back?

While it takes more effort, it makes your code much less esoteric. With long, single scripts, you can make your code a lot more esoteric and ad-hoc. However, whenever I try making edits to that plugin now, I forget everything about its organization, and have to jump around between functions to figure out what sections of code are responsible for what. When you have modules laid out in a folder, you can pinpoint exactly what part of your code you need to make changes to, rather than having to dig through thousands of lines in functions.

There are some other things. I just finished making my 3rd. I am a Noob here. I am Noob also, because I find ways to make script easier and more understadable, but keep up knowledge on Lua, sometimes you will find your own way for advancement. That is cool. Why Module Scripts? Help and Feedback.How do they do that exactly? What does require mean? I want to do the exact same thing but I do not understand this.

If you would help me this is for my group just tell me how to use it, etc. This question has been asked before, and already has an answer. If those answers do not fully address your question, then please ask a new question here. Why was this question closed? These assets can then make changes to the game this method is also used in hiding Scripth's admin commands.

The require function is used on Module Scripts. They are scripts that run once and that is when they are being called. Well, when the script loads it will run the code in the module script, and functions can be ran through it as well when they are called. Though, that's a completely different question to ask. Sign Up Log in. New: Nitro Boost our Discord server and receive full donation perks here on the website!

Join the Scripting Helpers Discord Server to learn more! You can also Support on Patreon as always. Still have questions? Join our Discord server and get real time help. Join our Discord Server. Log in to vote.

ROBLOX Modules ( Script Short )

How to use require? This question already has an answer here: What is the purpose of require? Could it be used to protect scripts? I'm currently on my iPad so I can't easily type out a long answer, but the short answer is ModuleScripts. Look them up on the wiki. M39a9am3R — 4y. Marked as Duplicate by ImageLabel. Answered by M39a9am3R Say I had a game setup like this. Hopefully this answer helped, if it did then remember to upvote and if it solved your problem do not forget to hit that Accept Answer button.

Answered by legomaster38 I neutralized your answer. Reason being is that you have rep.I am trying to become accustomed to using ModuleScripts. I already know that I have to call require on any ModuleScript to run it. My question is how do you use specific functions you define in a ModuleScript in a Script or a LocalScript? Documentation for ModuleScripts is available on the Developer Hub, which is where you should begin your search first before asking here.

The point of a ModuleScript is that while it does run code like a regular script on require, it only runs top-level code once and every subsequent require after the first time will return the exact same references or whatever you define. A fairly common usage of ModuleScripts on Roblox is to perform object-oriented programming OOPwherein your modules act as classes or subclasses.

This is helpful for when you want to streamline behaviour for something. You can use them as you wish. ModuleScripts are most renown for their use in reusable code bases, where you avoid duplicate scripts and instead use a ModuleScript to fetch code or functions or whatever.

One thing to watch out for is the require statement. Remember that when you call require, the ModuleScript will run in the environment it is called from. If the ModuleScript is required from the server, it will become a server environment.

If it is called from the client, it will run in a client environment. The server and client each get their own copy of the ModuleScript on require. The ability to communicate in-and-out of modulescripts make them the perfect tool when trying to apply OOP practices. This suggests that, once the require function is called on a module, a table will be returned.

This table will be used in order to hold all the functions you intend on having communicated outside. All the scripts where the module is called have to do is call the designated function through the variable in which you indexed your module from.

You can return any value. Typically, developers return tables along with ModuleScripts which is why they begin like that. I know.

How do I use ModuleScripts? Help and Feedback. Scripting Support. Confused about module scripts. Method A fairly common usage of ModuleScripts on Roblox is to perform object-oriented programming OOPwherein your modules act as classes or subclasses. You can even use ModuleScripts to hold data, constants and settings for stuff. DoSomething print "Hello World! ModuleScript mymodule.ModuleScripts are essentially a neat and organized way to create libraries for your code.

Modules work very similar to how ordinary functions work, despite a few minor exceptions :. Return limit Modules can only return one value at a time. This is why quite often you'll see module scripts return tables consisting of API functions, instead of just returning a single function or other data type. If you do return more than one value at a time, you'll get the same error message as shown above when requiring it.

Requiring your module Just like functions, modules must be activated, or "called" in order to run it's source.

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This is done via the require function. The require function consists of one argumentwhich can be one of two things:. A module's item Id number. This Id is found at the end of a URL of a published module script.

Note, that if you are to require a module via it's module Id, the name of the module must be called " MainModule ". If this requirement is not met, your code will error upon loading the module.

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Modules are used to shorten code, by taking care of annoying tasks outside of the visual script editor, to leave room for what's really important - the program's logic.

Instead of having all that code written in the main script, I could make a module with some methods called " Read " and " Write " that we can call from our required module. And that's basically it. The example I gave above is no more than calling a function from inside a table, the only difference being the table was given to us by the required module.

Module Scripts are used to hold functions and variables to be used by other scripts. They can even be used to run functions for multiple games if required as an asset. This makes it easier for you to make a change, and have it carry over to the other games.

When required, module scripts will execute the code within them and return a preferred value. If a module script is required twice in the same environment, it will return the previous result unless it is a local script.

You might see module scripts take the place of settings, while other times you might see the require function be the only thing in a script. Many people use module scripts as a settings script to make sure they are contained and users don't go messing around with the actual hard code too much. Other times people will upload the module script and provide a free model to require that module script from the site, as to keep their source code concealed.

At this point you can rename module to anything you want and modify the code to your preferences. In a script you would then be able to require the module script. Just a note to be taken, whatever type of script you use to require the module is the type of environment your script will take after. So if you use a Server Sided Script, your module will run server sided. If you require it locally, it will run locally. Now for requiring. If you want to upload the module to the Roblox website, you need to make sure the module's name is MainModule.

This will allow you to run the code in the module script in game and keep the code of the module hidden. For running the module script, you need to use the require function on the instance or asset Id of the module.I am becoming more and more familiar with modules… Finally!

But, i have a very important question that i cant seem to find a straight answer for: If you call a module from a local script, will it only perform the function in the client?

Or can it run in the server? Now, What is the cleanest way of bouncing a modular function back and forth from local and server functions? For instance, if i want to call a server function from a module, in a local script, would i need to remote to a server and then perform the function?

If so, then what is the point of using a module instead of just a server script? Thanks thats helpful. And im assuming then that if called by the server, then it cant do anything in the local player like tweening a gui?

Like for making it more practical other than just bouncing around with remote events and what not. Alright thanks so much for your quick responses! No problem, remember if you come up with a way to bounce around, you can always use RunService:IsClient and RunService:IsServer to get if the code is running in the client or in the server! Also, if the module script is in replicated storage then you can require it from both a local script and script. When you execute code through that ModuleScript, either the Client or Server will run that code.

As an example, if I had function foo in a ModuleScript game.

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When I did module. If I did it from a Server script, the Server would execute that function. Bark Also, logically using a BindableFunction could have issues as the script which registers the function should run before all the functions which use it.

In addition, what I do for my game when I need for modules to be use with both server and client alot is by using the run service for example:. This way you can have the client and server call the same module, but will carry out different instructions and its pretty neat and I ended going from using 5 remotes for one task to none through manipulating this tactic.

You can check where is has been required from with RunService:IsClientwhich returns true on the client and false on the server.

roblox how to use module scripts

Then, just use remotes on the client version and connect them on the server side one, and you should be good. If the information I provided is what you were looking for, make sure to mark it as the solution so others can see it when they come across your post.

If the ModuleScrips functions are being ran by a LocalScript they will only be ran on the client. If the ModuleScripts functions are being ran by a script then they will only be ran on the server. I am going to try and explain this as best as I can so bare with me. A ModuleScript is a container where you store code until it is required.

This means you can run functions that are in a module in multiple scripts at the same time. If your ModuleScript is located within ReplicatedStorage you can require it from the server and the client.

roblox how to use module scripts

This means you can run the functions in the ModuleScript on the client and the server at the same time. I find this to be much more manageable. Scripting Support. Manelin June 22,pm 1. Jrelvas1 June 22,pm 2. Manelin June 22,pm 3. Jrelvas1 June 22,pm 4. Manelin June 22,pm 5.


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